Francium

Edit 0 9 …
Francium
  • Element- Francium
  • Named for the country of France
  • Discovered by Marguerite Perey of the Curie Institute in Paris.
  • Discovered in 1939
  • Symbol- Fr
  • Atomic number- 87
  • Atomic mass- 223 amu
  • Source of symbol- First two letters in the name of the element
  • Number of protons- 87
  • Number of neutrons- 136
  • Number of electrons- 87
  • It is found naturally in uranium minerals.
  • It's in the state of a solid
  • Melting point: 27 degrees C
  • Boiling point: 677 degrees C
  • Density: 1870 kg/m3
  • It's abundunce in the Earth's crust is less than one ounce at any time
  • Because of how short lived and radioactive Francium is there aren’t any known uses for it. (on average it only lasts for 21-22 minutes)

Interesting factsfrancium.jpg
  • Heaviest known member of all the alkali metal series.
  • Does not have any stable isotopes
  • Most unstable of the first 103 elements of the periodic table
  • Heaviest simple atom
  • Believed to resemble cesium
  • Extremely rare
  • Radioactive (An element is radioactiv when the amount of protons
and electrons are not equal, this creats an unstable nucleous.)
Sources